From owner-svn-src-all@FreeBSD.ORG Thu Jan 17 02:09:10 2013 Return-Path: Delivered-To: svn-src-all@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 4C9E6369; Thu, 17 Jan 2013 02:09:10 +0000 (UTC) (envelope-from hrs@FreeBSD.org) Received: from mail.allbsd.org (gatekeeper.allbsd.org [IPv6:2001:2f0:104:e001::32]) by mx1.freebsd.org (Postfix) with ESMTP id CA5C099; Thu, 17 Jan 2013 02:09:09 +0000 (UTC) Received: from alph.allbsd.org (p1137-ipbf1505funabasi.chiba.ocn.ne.jp [118.7.212.137]) (authenticated bits=128) by mail.allbsd.org (8.14.5/8.14.5) with ESMTP id r0H28ps0009420 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 17 Jan 2013 11:09:02 +0900 (JST) (envelope-from hrs@FreeBSD.org) Received: from localhost (localhost [127.0.0.1]) (authenticated bits=0) by alph.allbsd.org (8.14.5/8.14.5) with ESMTP id r0H28naM008894; Thu, 17 Jan 2013 11:08:51 +0900 (JST) (envelope-from hrs@FreeBSD.org) Date: Thu, 17 Jan 2013 11:07:23 +0900 (JST) Message-Id: <20130117.110723.1450987474949438621.hrs@allbsd.org> To: bz@FreeBSD.org Subject: Re: svn commit: r245525 - head/etc/rc.d From: Hiroki Sato In-Reply-To: <201301170127.r0H1Re6Y038117@svn.freebsd.org> References: <201301170127.r0H1Re6Y038117@svn.freebsd.org> X-PGPkey-fingerprint: BDB3 443F A5DD B3D0 A530 FFD7 4F2C D3D8 2793 CF2D X-Mailer: Mew version 6.5 on Emacs 23.4 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Multipart/Signed; protocol="application/pgp-signature"; micalg=pgp-sha1; boundary="--Security_Multipart(Thu_Jan_17_11_07_23_2013_045)--" Content-Transfer-Encoding: 7bit X-Virus-Scanned: clamav-milter 0.97.4 at gatekeeper.allbsd.org X-Virus-Status: Clean X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (mail.allbsd.org [133.31.130.32]); Thu, 17 Jan 2013 11:09:02 +0900 (JST) X-Spam-Status: No, score=-98.1 required=13.0 tests=CONTENT_TYPE_PRESENT, ONLY1HOPDIRECT,SAMEHELOBY2HOP,USER_IN_WHITELIST autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on gatekeeper.allbsd.org Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2013 02:09:10 -0000 ----Security_Multipart(Thu_Jan_17_11_07_23_2013_045)-- Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit "Bjoern A. Zeeb" wrote in <201301170127.r0H1Re6Y038117@svn.freebsd.org>: bz> Author: bz bz> Date: Thu Jan 17 01:27:39 2013 bz> New Revision: 245525 bz> URL: http://svnweb.freebsd.org/changeset/base/245525 bz> bz> Log: bz> Add a conditional sleep 1 in case we add any IPv6 addresses to interfaces. bz> Do this per jail started, not per address. This will allow DAD to complete bz> and services to properly start. Before we have seen problems with services bz> trying to start before the IPv6 address was available to use and thus bz> erroring and failing to start. bz> bz> MFC after: 3 days This may be too pedantic, but I think this delay should use DupAddrDetectTransmits (net.inet6.ip6.dad_count). The default value of RETRANS_TIMER and MAX_RTR_SOLICITATION_DELAY in RFC 4861 is 1 sec, so the theoretical delay value is (DupAddrDetectTransmits * RETRANS_TIMER + MAX_RTR_SOLICITATION_DELAY). The rc.d/netif script uses this value (typically 2 seconds) for DAD. I understand a simple 1 second delay works in practice, though. -- Hiroki ----Security_Multipart(Thu_Jan_17_11_07_23_2013_045)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEABECAAYFAlD3XNsACgkQTyzT2CeTzy1GYQCg1lYMEWM8mGxzRr0SHzhiEJcB F78An1Nwwpymirv3IG6vzpvBczstMBl8 =CG8S -----END PGP SIGNATURE----- ----Security_Multipart(Thu_Jan_17_11_07_23_2013_045)----